# 当前模块描述

# 作者：liguang

# 开发时间 2023/11/16 20:44

class Phone:
    # 序列号
    IMEI = None
    # 生产厂商
    producer = 'HW'

    def call_by_4g(self):
        print("4g通话")


class Phone22(Phone):
    face_id = "10086"
    producer = '富士康'

    def call_by_4g(self):
        print("Phone22已经针对旧版本4G做了优化处理")
        super().IMEI
        super().call_by_4g()

    def call_by_5g(self):
        print("2022年5g通话")


phone22 = Phone22()
phone22.call_by_4g()
phone22.call_by_5g()
print(f"打印当前手机的序列号:{phone22.producer}")
